<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<script>
			var stu = new Object();
			var aaa = "age";
			
			stu.name = "诠注";
			stu.aaa = 19;
			
			stu[aaa] = 20;
			stu[0] = "你好";
			
			console.log(stu);
			
			var arr = [1,2,3];
			arr[0] = 4;
		</script>
	</body>
</html>
